JezK

Name: test
Start: 2022-11-25
End: 2022-11-25

Edit File: test_utilities.rb

# frozen_string_literal: true
require 'tempfile'
require 'rubygems'
require 'rubygems/remote_fetcher'

##
# A fake Gem::RemoteFetcher for use in tests or to avoid real live HTTP
# requests when testing code that uses RubyGems.
#
# Example:
#
#   @fetcher = Gem::FakeFetcher.new
#   @fetcher.data['http://gems.example.com/yaml'] = source_index.to_yaml
#   Gem::RemoteFetcher.fetcher = @fetcher
#
#   # invoke RubyGems code
#
#   paths = @fetcher.paths
#   assert_equal 'http://gems.example.com/yaml', paths.shift
#   assert paths.empty?, paths.join(', ')
#
# See RubyGems' tests for more examples of FakeFetcher.

class Gem::FakeFetcher

attr_reader :data
  attr_reader :last_request
  attr_reader :api_endpoints
  attr_accessor :paths

def initialize
    @data = {}
    @paths = []
    @api_endpoints = {}
  end

def api_endpoint(uri)
    @api_endpoints[uri] || uri
  end

def find_data(path)
    return File.read path.path if URI === path and 'file' == path.scheme

if URI === path and "URI::#{path.scheme.upcase}" != path.class.name then
      raise ArgumentError,
        "mismatch for scheme #{path.scheme} and class #{path.class}"
    end

path = path.to_s
    @paths << path
    raise ArgumentError, 'need full URI' unless path =~ %r'^https?://'

unless @data.key? path then
      raise Gem::RemoteFetcher::FetchError.new("no data for #{path}", path)
    end

@data[path]
  end

def fetch_path path, mtime = nil, head = false
    data = find_data(path)

if data.respond_to?(:call) then
      data.call
    else
      if path.to_s =~ /gz$/ and not data.nil? and not data.empty? then
        data = Gem.gunzip data
      end

data
    end
  end

def cache_update_path uri, path = nil, update = true
    if data = fetch_path(uri)
      open(path, 'wb') { |io| io.write data } if path and update
      data
    else
      Gem.read_binary(path) if path
    end
  end

# Thanks, FakeWeb!
  def open_uri_or_path(path)
    data = find_data(path)
    body, code, msg = data

response = Net::HTTPResponse.send(:response_class, code.to_s).new("1.0", code.to_s, msg)
    response.instance_variable_set(:@body, body)
    response.instance_variable_set(:@read, true)
    response
  end

def request(uri, request_class, last_modified = nil)
    data = find_data(uri)
    body, code, msg = data

@last_request = request_class.new uri.request_uri
    yield @last_request if block_given?

def pretty_print q # :nodoc:
    q.group 2, '[FakeFetcher', ']' do
      q.breakable
      q.text 'URIs:'

q.breakable
      q.pp @data.keys

unless @api_endpoints.empty? then
        q.breakable
        q.text 'API endpoints:'

q.breakable
        q.pp @api_endpoints.keys
      end
    end
  end

def fetch_size(path)
    path = path.to_s
    @paths << path

raise ArgumentError, 'need full URI' unless path =~ %r'^http://'

unless @data.key? path then
      raise Gem::RemoteFetcher::FetchError.new("no data for #{path}", path)
    end

data = @data[path]

data.respond_to?(:call) ? data.call : data.length
  end

def download spec, source_uri, install_dir = Gem.dir
    name = File.basename spec.cache_file
    path = if Dir.pwd == install_dir then # see fetch_command
             install_dir
           else
             File.join install_dir, "cache"
           end

path = File.join path, name

if source_uri =~ /^http/ then
      File.open(path, "wb") do |f|
        f.write fetch_path(File.join(source_uri, "gems", name))
      end
    else
      FileUtils.cp source_uri, path
    end

path
  end

def download_to_cache dependency
    found, _ = Gem::SpecFetcher.fetcher.spec_for_dependency dependency

return if found.empty?

spec, source = found.first

download spec, source.uri.to_s
  end

end

# :stopdoc:
class Gem::RemoteFetcher

def self.fetcher=(fetcher)
    @fetcher = fetcher
  end

end
# :startdoc:

##
# The SpecFetcherSetup allows easy setup of a remote source in RubyGems tests:
#
#   spec_fetcher do |f|
#     f.gem  'a', 1
#     f.spec 'a', 2
#     f.gem  'b', 1' 'a' => '~> 1.0'
#   end
#
# The above declaration creates two gems, a-1 and b-1, with a dependency from
# b to a.  The declaration creates an additional spec a-2, but no gem for it
# (so it cannot be installed).
#
# After the gems are created they are removed from Gem.dir.

class Gem::TestCase::SpecFetcherSetup

##
  # Executes a SpecFetcher setup block.  Yields an instance then creates the
  # gems and specifications defined in the instance.

def self.declare test, repository
    setup = new test, repository

yield setup

setup.execute
  end

def initialize test, repository # :nodoc:
    @test       = test
    @repository = repository

@gems       = {}
    @downloaded = []
    @installed  = []
    @operations = []
  end

##
  # Returns a Hash of created Specification full names and the corresponding
  # Specification.

def created_specs
    created = {}

@gems.keys.each do |spec|
      created[spec.full_name] = spec
    end

created
  end

##
  # Creates any defined gems or specifications

def execute # :nodoc:
    execute_operations

setup_fetcher

created_specs
  end

def execute_operations # :nodoc:
    @operations.each do |operation, *arguments|
      case operation
      when :gem then
        spec, gem = @test.util_gem(*arguments, &arguments.pop)

write_spec spec

@gems[spec] = gem
        @installed << spec
      when :download then
        spec, gem = @test.util_gem(*arguments, &arguments.pop)

@gems[spec] = gem
        @downloaded << spec
      when :spec then
        spec = @test.util_spec(*arguments, &arguments.pop)

write_spec spec

@gems[spec] = nil
        @installed << spec
      end
    end
  end

##
  # Creates a gem with +name+, +version+ and +deps+.  The created gem can be
  # downloaded and installed.
  #
  # The specification will be yielded before gem creation for customization,
  # but only the block or the dependencies may be set, not both.

def gem name, version, dependencies = nil, &block
    @operations << [:gem, name, version, dependencies, block]
  end

##
  # Creates a gem with +name+, +version+ and +deps+.  The created gem is
  # downloaded in to the cache directory but is not installed
  #
  # The specification will be yielded before gem creation for customization,
  # but only the block or the dependencies may be set, not both.

def download name, version, dependencies = nil, &block
    @operations << [:download, name, version, dependencies, block]
  end

##
  # Creates a legacy platform spec with the name 'pl' and version 1

def legacy_platform
    spec 'pl', 1 do |s|
      s.platform = Gem::Platform.new 'i386-linux'
      s.instance_variable_set :@original_platform, 'i386-linux'
    end
  end

def setup_fetcher # :nodoc:
    require 'zlib'
    require 'socket'
    require 'rubygems/remote_fetcher'

unless @test.fetcher then
      @test.fetcher = Gem::FakeFetcher.new
      Gem::RemoteFetcher.fetcher = @test.fetcher
    end

Gem::Specification.reset

begin
      gem_repo, @test.gem_repo = @test.gem_repo, @repository
      @test.uri = URI @repository

@test.util_setup_spec_fetcher(*@downloaded)
    ensure
      @test.gem_repo = gem_repo
      @test.uri = URI gem_repo
    end

@gems.each do |spec, gem|
      next unless gem

@test.fetcher.data["#{@repository}gems/#{spec.file_name}"] =
        Gem.read_binary(gem)

FileUtils.cp gem, spec.cache_file
    end
  end

##
  # Creates a spec with +name+, +version+ and +deps+.  The created gem can be
  # downloaded and installed.
  #
  # The specification will be yielded before creation for customization,
  # but only the block or the dependencies may be set, not both.

def spec name, version, dependencies = nil, &block
    @operations << [:spec, name, version, dependencies, block]
  end

def write_spec spec # :nodoc:
    open spec.spec_file, 'w' do |io|
      io.write spec.to_ruby_for_cache
    end
  end

end

##
# A StringIO duck-typed class that uses Tempfile instead of String as the
# backing store.
#
# This is available when rubygems/test_utilities is required.
#--
# This class was added to flush out problems in Rubinius' IO implementation.

class TempIO < Tempfile

##
  # Creates a new TempIO that will be initialized to contain +string+.

def initialize(string = '')
    super "TempIO"
    binmode
    write string
    rewind
  end

##
  # The content of the TempIO as a String.

def string
    flush
    Gem.read_binary path
  end
end

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Edit File: test_utilities.rb

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